Seven years ago, Song Wenying put her foot on Song Qinian's injured shoulder and said coldly: "I like you, so I let you feel pain." Seven years later, the once thin and tolerant little wolfdog grew into a paranoid and dignified leader. In the dark basement, Song Qinian slowly kissed her tears, his voice full of infatuation, "Sister, only those who like you will make you hurt. My sister taught me, I will learn well."